Physics
(a) The diagram shows a bar magnet surrounded by four plotting compasses. Copy the diagram and mark the direction of the compass needle for each of the cases B, C and D.
(b) Which is the North pole, X or Y?
Electro-Magnetism
9 Likes
Answer
(a) Below diagram shows the direction of the compass needle for cases B, C and D:
(b) X is the north pole as the magnetic field lines are coming out of the bar magnet at point X.
Answered By
7 Likes
Related Questions
A beam of metal is acted upon by two forces (parallel) of 15 N and 20 N at a distance of 35 cm from each other. At what point the beam will be balanced ?
Calculate the equivalent resistance between P and Q from the following diagram:
An object is placed in front of a converging lens. Then, draw the ray diagrams for following cases
(a) When object distance (u) > 2f.
(b) When image formed has the same size as that of object.
(a) Ring system is a better wiring system, why?
(b) State the relation between electrical power, resistance and potential difference in an electrical circuit.